Recently , two important things need to be further addressed : ( 1 ) the time of the transition from compressional to extensional setting , and the geodynamics processes in se china ; ( 2 ) the relationship between polymetallic mineralization and lithospheric thinning and crustal extension 近年來(lái)隨著研究的深入,逐漸凸顯出兩個(gè)重要的地質(zhì)問(wèn)題需要解決: ( 1 )中國(guó)東南部晚中生代構(gòu)造屬性的轉(zhuǎn)變時(shí)間及地球動(dòng)力學(xué)演化過(guò)程; ( 2 )多金屬成礦作用與巖石圈伸展減薄及地殼拉張的關(guān)系。